Evaluation -- Definition

Evaluation : evaluation is the process of examining certain objects and events in view of specified value standards for the purpose of making corrective or implementary decision.

Formative Evaluation: it is conducted to provide program implememtation. It's conducted during the program progress, and it's seeking for the improvement.

Summative Evaluation: it is conducted at the end of the whole program in order to make a judgment on the value of the program. It is more concerning about the outcome of the program.